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  _____      ___      _____    __   __   __   _   
 / ____||   / _ \\   / ____||  \ \\/ // | || | || 
/ //---`'  | / \ || / //---`'   \ ` //  | '--' || 
\ \\___    | \_/ || \ \\___      | ||   | .--. || 
 \_____||   \___//   \_____||    |_||   |_|| |_|| 
  `----`    `---`     `----`     `-`'   `-`  `-`

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Text this: Vitamin A status of the minority ethnic group of Karen hill tribe children aged 1-6 years in Northern Thailand